<template>
  <div class="container">
    <div class="app-container">
      <el-button class="btn-add" size="mini" type="primary" @click="addPermission(0, 1)">
        添加权限
      </el-button>
      <el-table :data="list" default-expand-all row-key="id">
        <el-table-column label="名称" prop="name" />
        <el-table-column label="标识" prop="code" />
        <el-table-column label="描述" prop="description" />
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button
              v-if="row.type === 1"
              size="mini"
              type="text"
              @click="addPermission(row.id, 2)"
            >添加</el-button>
            <el-button
              size="mini"
              type="text"
              @click="editPermission(row.id)"
            >编辑</el-button>
            <el-button size="mini" type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 弹框 -->
    <el-dialog
      :title="showText"
      :visible.sync="showDialog"
      width="50%"
      @close="btnCancel"
    >
      <el-form ref="form" label-width="120px" :model="form" :rules="rules">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="form.name" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="form.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="form.description" />
        </el-form-item>

        <el-form-item label="开启">
          <el-switch
            v-model="form.enVisible"
            active-value="1"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
          <el-button size="small" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>
<script>
import { getPermissionList, addPermission, updatePermission, delPermission, getPermissionDetail } from '@/api/permission'
import { transListToTreeData } from '@/utils'

export default {
  name: 'Permission',
  data() {
    return {
      showDialog: false,
      title: '',
      form: {
        name: '',
        code: '',
        description: '',
        type: '',
        pid: '',
        enVisible: '0'
      },
      rules: {
        name: [
          { required: true, message: '权限名称不能能为空', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '权限标识不能能为空', trigger: 'blur' }
        ]
      },
      list: []
    }
  },
  computed: {
    showText() {
      return this.form.id ? '编辑' : '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      this.list = transListToTreeData(await getPermissionList(), 0)
    },
    addPermission(pid, type) {
      this.form.pid = pid
      this.form.type = type
      this.showDialog = true
    },
    // 关闭
    btnCancel() {
      this.form = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
      }
      // this.$refs.form.resetFields()
      this.showDialog = false
    },
    // 点击确定
    btnOK() {
      console.log(this.form)
      this.$refs.form.validate(async(isOk) => {
        if (isOk) {
          if (this.form.id) {
            return await updatePermission(this.form)
          } else {
            return await addPermission(this.form)
          }
        }
      })
      this.$message.success('新增成功')
      this.getPermissionList()
      this.btnCancel()
    },
    async editPermission(id) {
      // 根据获取id获取详情
      this.form = await getPermissionDetail(id)
      this.showDialog = true
    },
    // 删除操作
    async delPermission(id) {
      try {
        await this.$confirm('确定要删除该数据吗')
        await delPermission(id)
        this.getPermissionList()
        this.$message.success('删除成功')
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
<style scoped>
.btn-add {
  margin: 10px;
}
</style>
